This part is a kind of semiconductor called AO4828.

Function of this product has 60V Dual N-Channel MOSFET.

Manufacturers : Alpha & Omega Semiconductors

Image and pinout :

Some of the text within the PDF file :

AO4828 60V Dual N-Channel MOSFET General Description The AO4828 uses advanced trench technology to provide excellent RDS(ON) and low gate charge. This device is suitable for use as a load switch or in PWM applications. Features VDS (V) = 60V ID = 4.5A (VGS = 10V) RDS(ON) < 56mΩ (VGS = 10V) RDS(ON) < 77mΩ (VGS = 4.5V) 100% UIS tested 100% Rg tested Top View SOIC-8 Bottom View Pin1 Top View S2 G2 S1 G1 D2 D2 D1 D1 G1 D 1 G2 S1 D 2 S2 Absolute Maximum Ratings TA=25°C unless otherwise noted Parameter Symbol Drain-Source Voltage VDS Gate-Source Voltage VGS Continuous Drain TA=25°C Current AF TA=70°C Pulsed Drain Current B ID IDM TA=25°C Power Dissipation TA=70°C Avalanche Current B Repetitive avalanche energy 0.1mH B PD IAR, IAS EAR, EAS Junction and Storage Tem [ ... ]

AO4828 PDF Datasheet Download